You are the only one in this world (5) / Sakaisuke Kamishiro Kadokawa Sneakers Library

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

This light novel is amazing! 2020 / Mizuto and 結女, who became siblings due to their parents' remarriage, are ex-lovers. Since the summer festival in which the married woman decided her feelings, we have had more days to worry about each other. At the end of summer vacation, Sana, who wants to soak in Mizuto's room as usual, was seen by the married woman's mother playing with Mizuto. "Higashigassan became Mizuto's girlfriend" Isana = Mizuto's ex-girlfriend, and was ranked as 『 Imakano 』? Furthermore, Isana's mother even told her to get married, and while the married woman is fighting against her, Sotobori is steadily buried! And the rumors about Isana and Mizuto spread to the high school in the new term. Is the whereabouts of the pure and healthy one sided love and the romantic first love again?